JPS589976U - Glow plug temperature control device - Google Patents

Glow plug temperature control device

Info

Publication number
JPS589976U
JPS589976U JP10521481U JP10521481U JPS589976U JP S589976 U JPS589976 U JP S589976U JP 10521481 U JP10521481 U JP 10521481U JP 10521481 U JP10521481 U JP 10521481U JP S589976 U JPS589976 U JP S589976U
Authority
JP
Japan
Prior art keywords
glow plug
terminal
voltage
charging circuit
input
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP10521481U
Other languages
Japanese (ja)
Other versions
JPS626296Y2 (en
Inventor
剛志 神谷
市川　定夫
Original Assignee
日本特殊陶業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本特殊陶業株式会社 filed Critical 日本特殊陶業株式会社
Priority to JP10521481U priority Critical patent/JPS589976U/en
Publication of JPS589976U publication Critical patent/JPS589976U/en
Application granted granted Critical
Publication of JPS626296Y2 publication Critical patent/JPS626296Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Temperature (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案にかかるグロープラグの温度制御装置の
一実施例を示す回路図、第２図はその作゛動説明のため
のタイミングチャート、第３図は他の実施例の回路図、
第４図はさらに他の実施例のブロック図である。 １・・・・・′・制御回路、２・・・・・・電流制限用
抵抗、３・・・・・・ワイヤーハーネス、４・・・・・
・定電圧回路、５・・・・・・コンパレータ、Ｃ１・・
・・・・コンデンサ、Ｉ、　　ＩＩ・・・・・・すに−
＋、Ｇ・・・・・・グロープラグ、Ｔ１．Ｔ２・・・・
・・タイマ。 くニー、FIG. 1 is a circuit diagram showing one embodiment of a glow plug temperature control device according to the present invention, FIG. 2 is a timing chart for explaining its operation, and FIG. 3 is a circuit diagram of another embodiment.
FIG. 4 is a block diagram of yet another embodiment. 1...' Control circuit, 2... Current limiting resistor, 3... Wire harness, 4...
・Constant voltage circuit, 5... Comparator, C1...
...Capacitor, I, II...Suni-
+, G... Glow plug, T1. T2...
...Timer. Kuni,

Claims (1)

【実用新案登録請求の範囲】 コンデンサと、グロープラグの端子部と電線によって接
続されるグロープラグ端子電圧入力用端子と、上記端子
から抵抗もしくはトランジスタを介して上記コンデンサ
に接続されて該コンデンサに対してグロープラグ端子電
圧依存性の充電を行うようにする充電回路と、上記コン
デンサの入力電圧と定電圧回路の出力電圧の抵抗分割点
電圧とを入力とするコンパレータとを備え、上記コンパ
レーターの出力により、グロープラグと電源間に介装さ
れて予熱開始スイッチの投入により閉成し予熱用大電流
を通電する常開のリレー接点の閉成保持時間を規制する
グロープラグ温度制御装置において、 充電回路中に夕゛イオードを介装し、上記充電回路とは
別に定電圧回路の出力電圧に基づく充電を行う補助的充
電回路を設け、コンパレータの一方の入力点である上記
抵抗分割点をダイオードを介して上記端子もしくは該端
子の電圧印加点に接続するとともに上記端子には入力抵
抗を附与し、しかして事故により上記端子に電圧の印加
がなくなったときでもグロープラグへの予熱用通電時間
を適当に維持できるようにしたことを特徴とするグロー
プラグの温度制御装置。[Claims for Utility Model Registration] A capacitor, a glow plug terminal voltage input terminal connected to the terminal portion of the glow plug by an electric wire, and a voltage input terminal connected from the terminal to the capacitor via a resistor or transistor to the capacitor. a charging circuit that performs glow plug terminal voltage-dependent charging; and a comparator that receives as input the input voltage of the capacitor and the resistance division point voltage of the output voltage of the constant voltage circuit, and the output of the comparator In a glow plug temperature control device that regulates the closing time of a normally open relay contact that is interposed between the glow plug and the power supply and closes when the preheating start switch is turned on and conducts a large preheating current, the charging circuit An auxiliary charging circuit is installed in which a diode is inserted, and an auxiliary charging circuit is provided that performs charging based on the output voltage of the constant voltage circuit separately from the charging circuit. The terminal is connected to the above terminal or the voltage application point of the terminal, and an input resistance is provided to the above terminal, so that even if voltage is not applied to the above terminal due to an accident, the glow plug can be energized for an appropriate preheating time. A glow plug temperature control device characterized by being able to maintain a temperature of a glow plug.
JP10521481U 1981-07-14 1981-07-14 Glow plug temperature control device Granted JPS589976U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10521481U JPS589976U (en) 1981-07-14 1981-07-14 Glow plug temperature control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10521481U JPS589976U (en) 1981-07-14 1981-07-14 Glow plug temperature control device

Publications (2)

Publication Number Publication Date
JPS589976U true JPS589976U (en) 1983-01-22
JPS626296Y2 JPS626296Y2 (en) 1987-02-13

Family

ID=29899758

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10521481U Granted JPS589976U (en) 1981-07-14 1981-07-14 Glow plug temperature control device

Country Status (1)

Country Link
JP (1) JPS589976U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6161977A (en) * 1984-08-31 1986-03-29 Ngk Spark Plug Co Ltd Electrification control device of glow plug

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5572661A (en) * 1978-11-28 1980-05-31 Diesel Kiki Co Ltd Glow plug thermostat

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5572661A (en) * 1978-11-28 1980-05-31 Diesel Kiki Co Ltd Glow plug thermostat

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6161977A (en) * 1984-08-31 1986-03-29 Ngk Spark Plug Co Ltd Electrification control device of glow plug

Also Published As

Publication number Publication date
JPS626296Y2 (en) 1987-02-13

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